What is G, D, K, S, T, Z?

1, G is a high-speed locomotive train, referred to as high-speed railroad, G is the first letter of the pinyin "high".

It is an emerging transportation term in mainland China, a type of modern train, which consists of a number of powered vehicles (dynamic cars) and unpowered vehicles (trailers), and the train operates in a fixed formation mode during its normal service life.

2, D is a moving train set train, referred to as the moving train, D is the first letter of the pinyin of "moving".

The emerging transportation term for mainland China, a type of modern train, by a number of powered vehicles (moving cars) and unpowered vehicles (trailers), the train in the normal use of the term to a fixed grouping mode of operation.

3, K is a fast train, K is the first letter of the pinyin "fast".

The full name of the fast passenger train, referred to as fast train, the number of cars now to the K word crown head, different from the narrow sense of the speed train and narrow sense of the express train. Fast train speed moderate, stopping moderate, is one of the most widely used train.

4, T is a special express train, T is the first letter of the pinyin "special".

It is a train class of Chinese railroads, in the traditional railroads (i.e., high-speed railroads) compared to ordinary passenger trains (commonly known as: slow trains) and fast passenger trains. The train class is now headed by the letter T.

5, Z is a direct express train, Z is the first letter of the pinyin "straight".

China Railway in April 18, 2004, the implementation of the fifth major speed upgrading of the new evening to the air-conditioned train class, in December 10, 2014, before the transfer of map, the direct express train is mostly one-stop direct, but also part of the starting station will stop at the origin station/terminal station within the jurisdiction of the Railway Bureau, as well as the midway must be technically parked at the station.